Birthday Party Spots for NJ Kids with Both Indoor and Outdoor Play Submitted by Laurie Rein on Wed, 03/14/2018 - 8:30am Every fall, I face the same dilemma planning my girls’ birthday party. Do I take advantage of the crisp autumn weather with an outdoor venue? Or do I play it safe with something indoors? Planning a party is stressful enough in any season, without the added anxiety over weather. If an outdoor party is what you have in mind, don’t let Mother Nature put a damper on your child’s special day. From nature centers to water parks, the following party venues offer outdoor party options with indoor alternatives. For even more ideas for fun in our NJ Kids' Birthday Party Guide. Read more.